Home / 56,157.58-77,495.43-31,006.54

Finding the Fourth Proportional to 56,157.58, 77,495.43 and 31,006.54

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Solution

The fourth proportional to 56,157.58, 77,495.43 and 31,006.54 is: 42,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.58 : 77,495.43 = 31,006.54 : x
  2. Step 2: Convert to fraction form
    56,157.58/77,495.43 = 31,006.54/x
  3. Step 3: Cross multiply
    56,157.58x = 77,495.43 × 31,006.54
  4. Step 4: Simplify right side
    56,157.58x = 2,402,865,150.11
  5. Step 5: Solve for x
    x = 2,402,865,150.11/56,157.58
  6. Step 6: Final answer
    x = 42,787.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.